Ways to solve the conflict you describe: 1. Deriving happiness from someone else's suffering should be considered a mental disease to be treated. 2. Connectin

Ways to solve the conflict you describe: 1. Deriving happiness from someone else's suffering should be considered a mental disease to be treated. 2. Connecting people to a virtual reality where each person lives in absolute control of their own reality, matrix style. I.e, a sadist can live in a reality where they make other virtual people suffer, without actually making real people suffer.